3.2.2.4 | purified recombinant enzyme bound to formycin 5'-phosphate or phosphate, hanging drop vapour diffusion method, 0.002 ml of 15-20 mg/ml protein in 10 mM Tris-HCl, pH 7.6, 0.15 M NaCl, 2 mM MgCl2, and 1 mM DTT, is mixed with an equal amount of reservoir solution containing 1.8-2.0 M ammonium formate, 0.1 M HEPES, pH 6.8-7.2, 0.2 M NaCl, and 1 mm DTT, 1-2 weeks, X-ray diffraction structure determination and analysis at 2.6-3.0 A resolution |
657368 |